... Professional manufacturer 2. Sinter rotor for fuel pump 3. Precision tolerance Product NameSinter Rotor for Fuel PumpRaw MaterialsCu: 2%, C: 0 ... Neat shape, close toleranceApplicationGear pump,Oil pump, Crescent gear pump, Double gear pump, Plunger pump, Multi-way valveProcessingMixing powder ... milling, CNE lathe, Two end lapper etc. Test Ability.1. Carbon selfur determinator2. Metallurgic microscope3. ...